Squarefree numbers k such that the largest prime factor of k is equal to the sum of the other prime factors of k.
A071312
Squarefree numbers k such that the largest prime factor of k is equal to the sum of the other prime factors of k.
Terms
- a(0) =30a(1) =70a(2) =286a(3) =646a(4) =1798a(5) =3135a(6) =3526a(7) =3570a(8) =6279a(9) =7198a(10) =8855a(11) =8970a(12) =10366a(13) =10626a(14) =10695a(15) =11571a(16) =16095a(17) =16530a(18) =17255a(19) =17391a(20) =20615a(21) =20706a(22) =20735a(23) =20806a(24) =23326a(25) =24738a(26) =24882a(27) =26691a(28) =28083a(29) =31031
External references
- oeis: A071312